Major U.S. Metro Areas in a Transition Period, According to Census Analysis

The nation's growth slowed from 2010 and 2020, according to 2020 Census data, and demographers are still trying to figure out what population trends mean for the future of country's major metropolitan areas.

1 minute read

June 8, 2022, 5:00 AM PDT

By James Brasuell @CasualBrasuell


Maricopa County, Arizona

f11photo / Shutterstock

William H. Frey provides insights into the growth, diversity, segregation, and aging trends in the nation’s largest metropolitan areas, as reported by the 2020 Census.

As noted by Frey, the nation’s largest metropolitan areas—with 1 million residents and more—are home to six in ten Americans, and that total is only increasing as major metro areas grew faster than smaller metro areas from 2010 to 2020.

“Moreover, the increased racial and ethnic diversity that characterized the nation is especially concentrated in major metro areas and, in particular, among their youth populations,” writes Frey.

A few other key findings from the article (which synthesizes information presented in a longer report published by Brookings Mountain West), with more detail provided in the source article below:

  • Major metro areas grew more slowly since 2010 than in several previous decades.
  • The fastest growing metro areas are in the Sun Belt
  • Cities grew faster and suburbs slower when compared to the previous decade of the 2000s.
  • All major metro areas became more racially and ethnically diverse
  • Neighborhood segregation varied by metro area
  • The youth population declined and became more diverse

“This analysis of the 2020 census makes plain that the 2010-2020 period represents a transitional decade for the nation’s major metro areas,” according to Frey. That transition “does not lead to a straightforward forecast about [metro areas’] future prospects.”

Friday, May 13, 2022 in Brookings

portrait of professional woman

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching. Mary G., Urban Planner

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching.

Mary G., Urban Planner

Get top-rated, practical training

Wastewater pouring out from a pipe.

Alabama: Trump Terminates Settlements for Black Communities Harmed By Raw Sewage

Trump deemed the landmark civil rights agreement “illegal DEI and environmental justice policy.”

April 13, 2025 - Inside Climate News

High-rise apartment buildings in Waikiki, Hawaii with steep green mountains in background.

Study: Maui’s Plan to Convert Vacation Rentals to Long-Term Housing Could Cause Nearly $1 Billion Economic Loss

The plan would reduce visitor accommodation by 25% resulting in 1,900 jobs lost.

April 6, 2025 - Honolulu Civil Beat

Blue and white Seattle Link light rail train exiting concrete Downtown Bellevue Tunnel in Bellevue, WA.

Why Should We Subsidize Public Transportation?

Many public transit agencies face financial stress due to rising costs, declining fare revenue, and declining subsidies. Transit advocates must provide a strong business case for increasing public transit funding.

April 7, 2025 - Todd Litman

Silhouette of man holding on to back of bicycle ridden by woman with Eiffel Tower in background.

Paris Bike Boom Leads to Steep Drop in Air Pollution

The French city’s air quality has improved dramatically in the past 20 years, coinciding with a growth in cycling.

April 14 - Momentum Magazine

Multifamily housing under construction.

Why Housing Costs More to Build in California Than in Texas

Hard costs like labor and materials combined with ‘soft’ costs such as permitting make building in the San Francisco Bay Area almost three times as costly as in Texas cities.

April 14 - San Francisco Chronicle

Western coyote looking at camera in grassy field.

San Diego County Sees a Rise in Urban Coyotes

San Diego County experiences a rise in urban coyotes, as sightings become prevalent throughout its urban neighbourhoods and surrounding areas.

April 14 - Fox 5